Advertisements
Advertisements
प्रश्न
Use identities to evaluate : (502)2
Advertisements
उत्तर
(502)2
(502)2 = (500 + 2)2
We know that,
( a + b )2 = a2 + b2 + 2ab
∴ ( 500 + 2 )2 = 5002 + 22 + 2 x 500 x 2
= 250000 + 4 + 2000
= 2,52,004
APPEARS IN
संबंधित प्रश्न
Simplify (2x + p - c)2 - (2x - p + c)2
Simplify the following expressions:
`(x^2 - x + 1)^2 - (x^2 + x + 1)^2`
Evaluate of the following:
(99)3
Evaluate:
483 − 303 − 183
If a + b + c = 0, then write the value of \[\frac{a^2}{bc} + \frac{b^2}{ca} + \frac{c^2}{ab}\]
If \[x + \frac{1}{x}\] 4, then \[x^4 + \frac{1}{x^4} =\]
If \[x + \frac{1}{x} = 3\] then \[x^6 + \frac{1}{x^6}\] =
If the volume of a cuboid is 3x2 − 27, then its possible dimensions are
If \[3x + \frac{2}{x} = 7\] , then \[\left( 9 x^2 - \frac{4}{x^2} \right) =\]
Evaluate: (5xy − 7) (7xy + 9)
